<?php
class DefaultController extends YBackController
{
	/**
	 * @var CActiveRecord the currently loaded data model instance.
	 */
	private $_model;
    
	
	/**
	 * Displays a particular model.
	 */
	public function actionView()
	{
		$this->render('view',array(
			'model'=>$this->loadModel(),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{	
		$model = new Page();

		if(isset($_POST['Page']))
		{
			$model->attributes = $_POST['Page'];
			
			if($model->save())
			{
				Yii::app()->user->setFlash(FlashMessagesWidget::NOTICE_MESSAGE,Yii::t('page','Страница добавлена!'));
				
				if(isset($_POST['saveAndClose']))
				{
					$this->redirect(array('admin'));
				}
				
				$this->redirect(array('update','id'=>$model->id));
			}
		}       
			
		$this->render('create',array(
			'model' => $model,
			'pages' => Page::model()->getAllPagesList()
		));
	}
	
	
	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionUpdate()
	{				
		$model = $this->loadModel();

		if(isset($_POST['Page']))
		{
			$model->attributes = $_POST['Page'];		
			
			if($model->save())
			{
				Yii::app()->user->setFlash(FlashMessagesWidget::NOTICE_MESSAGE,Yii::t('page','Страница обновлена!'));
				
				if(isset($_POST['saveAndClose']))
				{
					$this->redirect(array('admin'));
				}
				
				$this->redirect(array('update','id'=>$model->id));
			}
		}	
		
		$this->render('update',array(
			'model' => $model,
			'pages' => Page::model()->getAllPagesList($model->id)
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'index' page.
	 */
	public function actionDelete()
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel()->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(array('index'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$dataProvider=new CActiveDataProvider('Page');
		$this->render('index',array(
			'dataProvider'=>$dataProvider,
		));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model = new Page('search');	
			
		if(isset($_GET['Page']))
		{
			$model->attributes = $_GET['Page'];
		}

		$this->render('admin',array(
			'model' => $model,
			'pages' => Page::model()->getAllPagesList()
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 */
	public function loadModel()
	{
		if($this->_model === null)
		{
			if(isset($_GET['id']))
			{
				$this->_model = Page::model()->with('author','changeAuthor')->findbyPk($_GET['id']);				
			}
			if($this->_model === null)
			{
				throw new CHttpException(404,'The requested page does not exist.');
			}
		}
		return $this->_model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='page-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
}
